The Christmas Series: Valves and Bi-Valves A. C. White , G. Hume Problems on the valve theme by Alain C. White and George Hume, with an introduction to the term. Out of stock Favorite About this book Valves and Bi-Valves by Alain C.White and George Hume. Selection of problems with introductions describing valve term Read more Products specifications Attribute name Attribute value Original title Valves and Bi-Valves Language English Series The Christmas Series Publication year 1930
